The combination of the storm, high winds and the subsequent clear up have prevented the aircraft from landing.

Dos Santos said that combination will prevent the fight from going the full five rounds.

Certain medical conditions, or combination of conditions, will prevent some people from being approved for coverage.

The study, involving 16,000 healthy women, was asking if the combination of estrogen and progestin could prevent disease.

But a combination of factors have prevented the relief agencies from averting it.

If you suffer from allergies, try a combination of these supplements to prevent and treat the symptoms.

This combination prevents more falls in women than men.

This combination prevents them from firing at distant or non-living objects.

I hope that the combination of medication will prevent a flare-up.

A combination of factors prevented this, despite its initial successes.